Cincinnati August 21 Weather Records

Daily averages and all-time records for weather in Cincinnati, Ohio for the date of August 21.
August 21 All-Time Records
1916–2024
Highest temperature 101 °F 1936
Lowest temperature 45 °F 1950
Lowest daily high 69 °F 1930
Highest daily low 75 °F 1936
Most precipitation 1.94 inches 1990
Most snow none -
August 21 Average Weather
1991–2020 1
Average high 84.6 °F
Average low 64.4 °F
Chance precipitation 27.9%
Chance snow 0%
Cincinnati August 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 94 71 0.00 0.0
2022 79 67 0.02 0.0
2021 88 69 0.00 0.0
2020 84 63 0.00 0.0
2019 88 68 0.00 0.0
2018 82 70 0.08 0.0
2017 90 71 0.00 0.0
2016 79 65 0.00 0.0
2015 80 54 0.00 0.0
2014 84 67 0.23 0.0
2013 85 67 0.00 0.0
2012 82 56 0.00 0.0
2011 89 68 0.10 0.0
2010 83 70 0.13 0.0
2009 81 65 0.00 0.0
2008 92 69 0.00 0.0
2007 84 72 0.00 0.0
2006 86 61 0.00 0.0
2005 88 65 0.00 0.0
2004 78 60 0.00 0.0
2003 89 73 0.00 0.0
2002 90 65 0.00 0.0
2001 79 55 0.00 0.0
2000 79 57 0.00 0.0
1999 84 54 0.00 0.0
1998 88 55 0.00 0.0
1997 73 56 0.00 0.0
1996 93 68 0.00 0.0
1995 91 69 0.00 0.0
1994 77 63 0.11 0.0
1993 84 61 0.00 0.0
1992 79 56 0.00 0.0
1991 81 56 0.00 0.0
1990 85 69 1.94 0.0
1989 78 69 0.36 0.0
1988 85 64 0.00 0.0
1987 87 65 0.00 0.0
1986 88 67 0.00 0.0
1985 79 55 0.00 0.0
1984 85 56 0.00 0.0
1983 99 74 0.00 0.0
1982 78 58 0.00 0.0
1981 79 58 0.00 0.0
1980 88 71 0.00 0.0
1979 81 66 0.01 0.0
1978 79 55 0.00 0.0
1977 78 61 1.05 0.0
1976 85 59 0.00 0.0
1975 92 64 0.00 0.0
1974 85 65 0.00 0.0
1973 75 58 0.00 0.0
1972 87 61 0.00 0.0
1971 87 69 0.17 0.0
1970 84 59 0.00 0.0
1969 78 60 0.00 0.0
1968 93 71 0.00 0.0
1967 80 52 0.00 0.0
1966 88 70 0.05 0.0
1965 81 56 0.00 0.0
1964 92 70 0.45 0.0
1963 78 51 0.00 0.0
1962 92 67 0.00 0.0
1961 74 56 0.00 0.0
1960 82 64 0.01 0.0
1959 91 70 0.00 0.0
1958 81 68 0.01 0.0
1957 84 60 0.00 0.0
1956 74 51 0.00 0.0
1955 95 72 0.00 0.0
1954 84 62 0.00 0.0
1953 85 53 0.00 0.0
1952 84 71 0.00 0.0
1951 83 65 0.01 0.0
1950 73 45 0.00 0.0
1949 78 54 0.00 0.0
1948 90 57 0.00 0.0
1947 96 74 0.13 0.0
1946 84 57 0.00 0.0
1945 95 65 0.00 0.0
1944 96 67 1.33 0.0
1943 88 65 0.00 0.0
1942 82 68 0.63 0.0
1941 81 56 0.00 0.0
1940 79 49 0.00 0.0
1939 78 65 0.00 0.0
1938 86 64 0.40 0.0
1937 89 70 0.32 0.0
1936 101 75 0.00 0.0
1935 86 68 0.00 0.0
1934 86 58 0.00 0.0
1933 87 61 0.00 0.0
1932 83 52 0.00 0.0
1931 77 61 0.00 0.0
1930 69 60 0.03 0.0
1929 87 52 0.00 0.0
1928 85 66 0.00 0.0
1927 80 57 0.00 0.0
1926 86 70 0.40 0.0
1925 75 61 0.00 0.0
1924 94 72 0.00 0.0
1923 91 56 1.74 0.0
1922 82 56 0.00 0.0
1921 76 58 0.00 0.0
1920 83 64 0.96 0.0
1919 78 64 0.13 0.0
1918 90 68 0.00 0.0
1917 88 65 0.17 0.0
1916 94 71 0.00 0.0
What's the all-time high for Cincinnati on 8/21?
For the date of Aug 21, the highest temperature ever reached in Cincinnati history is 101 °F which happened in 1936.
Highest Temperatures in Cincinnati on August 21
Rank Temperature Year
1 101 °F 1936
2 99 °F 1983
3 96 °F 1944
3 96 °F 1947
5 95 °F 1945
5 95 °F 1955
7 94 °F 1924
7 94 °F 2023
7 94 °F 1916
10 93 °F 1968
10 93 °F 1996
What's the all-time low for Cincinnati on 8/21?
For the date of Aug 21, the lowest temperature ever reached in Cincinnati history is 45 °F which happened in 1950.
Lowest Temperatures in Cincinnati on August 21
Rank Temperature Year
1 45 °F 1950
2 49 °F 1940
3 51 °F 1956
3 51 °F 1963
5 52 °F 1929
5 52 °F 1932
5 52 °F 1967
8 53 °F 1953
9 54 °F 2015
9 54 °F 1949
9 54 °F 1999
Lowest High Temperatures in Cincinnati on August 21
Rank Temperature Year
1 69 °F 1930
2 73 °F 1950
2 73 °F 1997
4 74 °F 1961
4 74 °F 1956
6 75 °F 1925
6 75 °F 1973
8 76 °F 1921
9 77 °F 1994
9 77 °F 1931
What's the most it has ever rained in Cincinnati on 8/21?
For the date of Aug 21, the most precipitation ever recorded in Cincinnati history is 1.94 inches which happened in 1990.
All-Time Most Precipitation in Cincinnati on August 21
Rank Precipitation Year
1 1.94 inches 1990
2 1.74 inches 1923
3 1.33 inches 1944
4 1.05 inches 1977
5 0.96 inches 1920
6 0.63 inches 1942
7 0.45 inches 1964
8 0.40 inches 1926
8 0.40 inches 1938
10 0.36 inches 1989
Weather Station Details
Years Station Coordinates
1948–2024 Cincinnati/Northern Kentucky International Airport location
1916–1947 Cincinnati location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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